EP0453707A3 - Method and means for managing space re-use in a shadow written b-tree via free space lists - Google Patents

Method and means for managing space re-use in a shadow written b-tree via free space lists Download PDF

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Publication number
EP0453707A3
EP0453707A3 EP19910100537 EP91100537A EP0453707A3 EP 0453707 A3 EP0453707 A3 EP 0453707A3 EP 19910100537 EP19910100537 EP 19910100537 EP 91100537 A EP91100537 A EP 91100537A EP 0453707 A3 EP0453707 A3 EP 0453707A3
Authority
EP
European Patent Office
Prior art keywords
space
lists
via free
managing
tree via
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19910100537
Other versions
EP0453707A2 (en
Inventor
Robert Baird
Gerald Parks Bozman
Nancy Yin-Mei Young
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of EP0453707A2 publication Critical patent/EP0453707A2/en
Publication of EP0453707A3 publication Critical patent/EP0453707A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/901—Indexing; Data structures therefor; Storage structures
    • G06F16/9027—Trees
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99951—File or database maintenance
    • Y10S707/99956—File allocation
    • Y10S707/99957—Garbage collection
EP19910100537 1990-04-26 1991-01-18 Method and means for managing space re-use in a shadow written b-tree via free space lists Withdrawn EP0453707A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/514,904 US5261088A (en) 1990-04-26 1990-04-26 Managing locality in space reuse in a shadow written B-tree via interior node free space list
US514904 1990-04-26

Publications (2)

Publication Number Publication Date
EP0453707A2 EP0453707A2 (en) 1991-10-30
EP0453707A3 true EP0453707A3 (en) 1992-12-02

Family

ID=24049168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910100537 Withdrawn EP0453707A3 (en) 1990-04-26 1991-01-18 Method and means for managing space re-use in a shadow written b-tree via free space lists

Country Status (3)

Country Link
US (1) US5261088A (en)
EP (1) EP0453707A3 (en)
JP (1) JPH0769922B2 (en)

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US5276872A (en) * 1991-06-25 1994-01-04 Digital Equipment Corporation Concurrency and recovery for index trees with nodal updates using multiple atomic actions by which the trees integrity is preserved during undesired system interruptions
US5577246A (en) * 1992-09-25 1996-11-19 Lucent Technologies Inc. Database memory compaction and reclamation method
US5416915A (en) * 1992-12-11 1995-05-16 International Business Machines Corporation Method and system for minimizing seek affinity and enhancing write sensitivity in a DASD array
JP2583010B2 (en) * 1993-01-07 1997-02-19 インターナショナル・ビジネス・マシーンズ・コーポレイション Method of maintaining consistency between local index table and global index table in multi-tier index structure
US5613105A (en) * 1993-06-30 1997-03-18 Microsoft Corporation Efficient storage of objects in a file system
US5446887A (en) * 1993-09-17 1995-08-29 Microsoft Corporation Optimal reorganization of a B-tree
JP2671804B2 (en) * 1994-05-27 1997-11-05 日本電気株式会社 Hierarchical resource management method
US5765175A (en) * 1994-08-26 1998-06-09 Intel Corporation System and method for removing deleted entries in file systems based on write-once or erase-slowly media
US5687361A (en) * 1995-02-13 1997-11-11 Unisys Corporation System for managing and accessing a dynamically expanding computer database
JP2778504B2 (en) * 1995-02-24 1998-07-23 日本電気株式会社 Network management system
US5680566A (en) * 1995-03-03 1997-10-21 Hal Computer Systems, Inc. Lookaside buffer for inputting multiple address translations in a computer system
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US5761501A (en) * 1995-10-02 1998-06-02 Digital Equipment Corporation Stacked skip list data structures
US5659739A (en) * 1995-10-02 1997-08-19 Digital Equipment Corporation Skip list data structure enhancements
US5907672A (en) * 1995-10-04 1999-05-25 Stac, Inc. System for backing up computer disk volumes with error remapping of flawed memory addresses
US5819299A (en) * 1996-06-06 1998-10-06 Electric Communities Process for distributed garbage collection
US5819298A (en) * 1996-06-24 1998-10-06 Sun Microsystems, Inc. File allocation tables with holes
US5857196A (en) * 1996-07-19 1999-01-05 Bay Networks, Inc. Method for storing a tree of potential keys in a sparse table
US5873078A (en) * 1996-07-19 1999-02-16 Bay Networks, Inc. Radix tree search logic
US6219662B1 (en) * 1997-07-10 2001-04-17 International Business Machines Corporation Supporting database indexes based on a generalized B-tree index
US6076151A (en) 1997-10-10 2000-06-13 Advanced Micro Devices, Inc. Dynamic memory allocation suitable for stride-based prefetching
US6112211A (en) * 1997-11-25 2000-08-29 International Business Machines Corporation Reconfiguration an aggregate file including delete-file space for optimal compression
JP4004619B2 (en) * 1998-01-08 2007-11-07 富士通株式会社 Inventory management device capable of automatic inventory allocation
US6606617B1 (en) 1998-09-24 2003-08-12 International Business Machines Corporation Optimized technique for prefetching LOB table space pages
US6343286B1 (en) 1998-09-24 2002-01-29 International Business Machines Corporation Efficient technique to defer large object access with intermediate results
US6363389B1 (en) 1998-09-24 2002-03-26 International Business Machines Corporation Technique for creating a unique quasi-random row identifier
US6366902B1 (en) 1998-09-24 2002-04-02 International Business Machines Corp. Using an epoch number to optimize access with rowid columns and direct row access
US6144970A (en) * 1998-09-24 2000-11-07 International Business Machines Corporation Technique for inplace reorganization of a LOB table space
US6343293B1 (en) 1998-09-24 2002-01-29 International Business Machines Corporation Storing the uncompressed data length in a LOB map to speed substring access within a LOB value
US6470359B1 (en) 1998-09-24 2002-10-22 International Business Machines Corporation Fast technique for recovering an index on an auxiliary table
US6694340B1 (en) 1998-09-24 2004-02-17 International Business Machines Corporation Technique for determining the age of the oldest reading transaction with a database object
US6408368B1 (en) 1999-06-15 2002-06-18 Sun Microsystems, Inc. Operating system page placement to maximize cache data reuse
US6366994B1 (en) 1999-06-22 2002-04-02 Sun Microsystems, Inc. Cache aware memory allocation
JP3415492B2 (en) * 1999-06-24 2003-06-09 Ｎｅｃエレクトロニクス株式会社 Fingerprint collation system and its fingerprint collation method
JP2003516666A (en) * 1999-12-10 2003-05-13 モサイド・テクノロジーズ・インコーポレイテッド Method and apparatus for longest match address lookup
US7966421B2 (en) 2000-06-21 2011-06-21 SAtech Group, A.B. Limited Liability Company Method and apparatus for logically expanding the length of a search key
US7106732B2 (en) 2000-12-27 2006-09-12 Mosaid Technologies Incorporated Default route coding
US7539666B2 (en) * 2004-04-06 2009-05-26 International Business Machines Corporation Method, system and program for managing geographic data stored in a database
EP1738291A1 (en) * 2004-04-23 2007-01-03 Novauris Technologies Limited Tree index based method for accessing automatic directory
US7257689B1 (en) 2004-10-15 2007-08-14 Veritas Operating Corporation System and method for loosely coupled temporal storage management
US7257690B1 (en) 2004-10-15 2007-08-14 Veritas Operating Corporation Log-structured temporal shadow store
US7716250B1 (en) * 2005-05-27 2010-05-11 Microsoft Corporation Erasure coding and group computations using rooted binary and ternary trees
US7697518B1 (en) * 2006-09-15 2010-04-13 Netlogic Microsystems, Inc. Integrated search engine devices and methods of updating same using node splitting and merging operations
EP1918822A1 (en) * 2006-10-31 2008-05-07 Axalto SA Memory indexing system and process
KR101213160B1 (en) * 2006-11-16 2012-12-17 삼성전자주식회사 Method of updating group key and group key update device using the same
JP4379894B2 (en) * 2006-11-28 2009-12-09 株式会社エスグランツ Method and program for splitting / joining coupled node tree
US8438330B2 (en) 2010-05-17 2013-05-07 Netlogic Microsystems, Inc. Updating cam arrays using prefix length distribution prediction
US9305112B2 (en) 2012-09-14 2016-04-05 International Business Machines Corporation Select pages implementing leaf nodes and internal nodes of a data set index for reuse
US10417209B1 (en) 2013-03-14 2019-09-17 Roger Lawrence Deran Concurrent index using copy on write
CN104426770A (en) * 2013-09-09 2015-03-18 中兴通讯股份有限公司 Routing lookup method, routing lookup device and method for constructing B-Tree tree structure
US11038591B2 (en) * 2019-06-28 2021-06-15 Rolls-Royce Corporation Optical interface and distributed fiber optic communication network for controlling a gas turbine engine and method
CN111026762A (en) * 2019-12-12 2020-04-17 北京金山云网络技术有限公司 Red and black tree index generation method and device, electronic equipment and storage medium
CN112612011B (en) * 2020-12-24 2023-12-26 西安电子科技大学 DBSCAN life detection radar trace condensation method and system based on KD-tree space search

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EP0362709A2 (en) * 1988-10-07 1990-04-11 International Business Machines Corporation Method for obtaining access to data structures without locking

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Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
GB2196764A (en) * 1986-10-30 1988-05-05 Apple Computer Hierarchical file system
EP0362709A2 (en) * 1988-10-07 1990-04-11 International Business Machines Corporation Method for obtaining access to data structures without locking

Non-Patent Citations (1)

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Title
IBM TECHNICAL DISCLOSURE BULLETIN vol. 25, no. 7B, December 1982, NEW YORK US pages 3725 - 3729 R.MALKEMUS 'Index Locking and Splitting' *

Also Published As

Publication number Publication date
US5261088A (en) 1993-11-09
JPH04229372A (en) 1992-08-18
JPH0769922B2 (en) 1995-07-31
EP0453707A2 (en) 1991-10-30

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